/**
* @authors <darl2ng@gmail.com, ngocanh.ngo@gmail.com>
* @version 0.9
* Copyright 2010
* 
* The MIT License
* Copyright (c) 2010 <darl2ng@gmail.com, ngocanh.ngo@gmail.com>
* 
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
* 
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
* 
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package com.ng.ui {
	import com.ng.utils.c_Mediator;
	import flash.display.DisplayObject;
	import flash.display.Sprite;
	
    public class cMenu extends Sprite  {
		
		private var __currentIndex:int;
		private var __distanceY:int = 30;
		private var __Mediator:c_Mediator;
		
        public function cMenu() {
            super();	
			__currentIndex = 1;
        }
		public function set Mediator(m:c_Mediator):void {
			__Mediator = m;
		}
		public function get Mediator():c_Mediator{
			return __Mediator;
		}
		public function Position(p_x:int, p_y:int):void {
			x = p_x;
			y = p_y;
		}		
		public override function addChild(item:DisplayObject):DisplayObject{
			super.addChild(item);
			updatePosition();
		}
		public override function addChildAt(item:DisplayObject,index:int):DisplayObject {
			super.addChildAt(item, index);
			
			updatePosition();
		}		
		public function set DistanceY(y:int):void {
			__distanceY = y;
		}
		
		public function get currentIndex():int	{
			return _currentIndex;
		}
		
		public function next():void{
			_currentIndex++;
		}
		public function prev():void{
			_currentIndex--;
		}
		private function updatePosition():void {
			for (var i:int = 0; i < this.numChildren; i++) {
				var child:DisplayObject = this.getChildAt(i);
				child.y =  i * __distanceY;
			}
		}
    }
}
